请输入您要查询的英文词组:
词组
an
释义
1. 何时用 an,何时用 a,取决于后面名词的发音; 若名词的发音以元音音素开头,则用 an; 以辅音开头则用 a:
an accident
an hour
an X-ray
a university
a college
a school
2. 参见 a。
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sensation
sense
sensible
sensual
sentence
sentiment
separate
separation
sequence
serial
series
serve
service
serving
session
set
setting
settle
seventh
seventy
several
severe
severe
severe
sewing
英语用法大全包含3679条英语用法指南,基本涵盖了全部常用英文词汇及语法点的翻译及用法,是英语学习的有利工具。
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更新时间:2026/5/17 9:38:15